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CVE-2021-24527 - Before 3 Plugin

CVE-2021-24527

The User Registration & User Profile – Profile Builder WordPress plugin before 3.4.9 has a bug allowing any user to reset the password of the admin of the blog, and gain unauthorised access, due to a bypass in the way the reset key is checked. Furthermore, the admin will not be notified of such change by email for example.

CVE-2021-24527

CRITICAL CVSS 9.8 Published 2021-08-16 Updated 2024-11-21
AI Risk Critical (90/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P1 Immediate
Severity Band CRITICAL
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Components 2
Reference Links 1
AI Risk Engine Critical (90/100)
Exploitability High
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2021-08-16 CVE published and first recorded in the threat feed.
  2. 2024-11-21 Record updated with latest vulnerability metadata.
  3. 2026-04-12 AI technical context refreshed for mitigation and impact guidance.
  4. Now Monitoring for follow-up changes, linked references, and new related CVEs.

AI Context

Machine-generated threat intelligence

AI Updated 4 days ago

AI enriched 4 days ago (2026-04-12 03:05 UTC)

Technical Summary

The User Registration & User Profile – Profile Builder WordPress plugin before 3.4.9 has a bug allowing any user to reset the password of the admin of the blog, and gain unauthorised access, due to a bypass in the way the reset key is checked. Furthermore, the admin will not be notified of such change by email for example.

Potential Impact

Severity is CRITICAL (CVSS 9.8). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.

Exploitability Assessment

Exploitability is assessed as High based on severity and technical exposure profile.

Primary risk drivers: severity and technical exposure profile

Mitigation Recommendations

Validate affected product versions, prioritize patching, and monitor references for vendor remediation guidance. If immediate patching is not possible, apply compensating controls and limit exposure of vulnerable surfaces.

Detection & Monitoring

Track authentication anomalies, unexpected file writes, and suspicious plugin API activity around affected components.

Business Impact Lens

AI risk score 90/100 (Critical, High) with priority P1 Immediate. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

Affected Products

Before 3 PLUGIN · before-3 Affected: < 3.4.9 Fixed in: 3.4.9
Profile Builder PLUGIN · profile-builder Affected: < 3.4.9 Fixed in: 3.4.9
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